eli5 explain diarrhea

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What happens to body during diarrhea? Especially the water part? Normaly, the water we drink is absorbed in the body and most part of thrown removing toxic elements via urine. But, during diarrhea body losses lot of water and we become dehydrated and weak. Suppose due to some process let’s say like Osmosis the water travels thru membrane and finally transforms into another substance, blood. So, during dehydration, does this process reverse? Why do we feel weakness? Also, when body knows it’s getting weak why it is still dehydration without absorbing any water? Someone please explain whole process.

In: Biology

25 Answers

Anonymous 0 Comments

Normally your guts take a lot of the water from the food you put in them.

If your body has something in it it wants to get out fast (you ate very spicy food, or you ate something your body doesn’t like, or you ate something that will make you sick) your body will instead put lots of water into your guts flushing them out.

Not having this water (and lots of other important stuff that goes along with the water like salts) along with the work your body does to move the watery poop through your guts is what makes you feel tired and weak.

Your body keeps doing it even when you are tired and weak because it still has stuff in it that it doesn’t want there and the parts that make your guts clean out are not the same parts that figure out if you have the right levels of water and other stuff in your body.

(That was difficult to write without using large health related jargon words.)

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